Bip39 Vs Slip39. Since the 24th is really a checksum word, a list of eight legitimate candidate words are calculated using the Python script 24thword.py. A copyright wallet passphrase is really an optional feature which can be applied In combination with your seed phrase to restrict use of your copyright https://webtechdirectory.com/listings13118293/bip39-github-https-linktr-ee-bip39-bip39-passphrase-generator-fundamentals-explained